So, when we divide 7.9 calories by 23 we get 0.34. The average person will be able to do 23 crunches in a minute. If you do crunches for one minute straight, you will burn 7.9 calories. Let’s plug in some numbers for crunches for a 90 kg person …įrom this, we see that you will burn around 79 calories if you do crunches for 10 minutes straight. MET x body weight in kilograms x 0.0175 times x duration To calculate the calorie burn we have to use the following formula … It is possible to calculate how many calories you burn when doing different exercises by using something called the metabolic equivalent of task (MET) This is a value that has been assigned to that exercise. Related Post: Seated Military Press: The Best Shoulder Exercise How Many Calories Do Crunches Burn? Reverse under control to return to the start position.From this starting position, crunch down so that your elbows come down to your knees.Grab the handles and sit on the bench so that your hands are above your head.Set the pulley at its highest position and put a rope handle on the end of the cable.Place a weight bench with back support about three feet in front of a cable pulley machine, facing away from it.One way to do this is by doing your crunches on an incline bench that is set at around 45 degrees.Īn even better option is to do crunches on a cable machine. This usually results in incorrect form, too few repetitions, and a range of motion that is too short – basically head lifts only.īy changing the angle of the torso you are able to reduce the resistance to a more manageable level. The position of the torso relative to gravity maximizes the resistance beyond most people’s strength level. That’s because that version of the exercise is too difficult for most people to do with the correct form. The best way to do a crunch is not lying on the floor.
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